Alarms And Information Status Messages; Reserve Heat Thermostat; Alarm Texts - Sanyo SHP-TH90GDN-SW Technical Manual

Air problems

Reserve heat thermostat

10. Alarms and information status messages

General information

Alarm texts

automatically be disconnected. Especially one phase power sources in the
house e.g. engine heater for the car, coffee machine, or a washing machine,
dryer or cooking place may make the boiler to be power reduced.
Temperatures on radiators or sanitary hot water may be too low. T
splay shows if the boiler is power reduced. Talk to the installer if
the problem is disturbing. The main fuse may have to be increased.
If a murmur sound occurs inside the boiler it may have to be air vented.
Check by turning the pressure release valve for the radiator system on the
if necessary. Let the installer check the reason of the problem.
If the control system (display) breakes (e.g. by lighthening) you can manually
set the reserve heat thermostat behind the plastic front panel to the recommended
value, see label. Do not forget to manually operate the mixing valve by pressing its
knob and turning to the desired opening.
The control system continuously supervises the operation of the system.
Two types of messages can appear:
Alarms:
if an error occurs that may cause problems to maintain correct operation,
such as sensor errors, the error diode on the panel and room sensor starts to
flash. The error shows in the dispaly directly in clear text.
Status messages:
the system shows status messages in the main menu when they occur, such
as the product is power reduced, the summer limit is reached etc. Status
messages are no errors, the diode don t start to flash.
SENSOR PRIMARY FLOW
SENSOR TANK TEMP
SENSOR ROOM (room temp)
SENSOR EL UP. (electric heater up temp)
SENSOR EL LO. (electric heater low temp)
SENSOR OUT (out door temp)
All sensor error messages: check the cables to the sensor, check the
connection -both on sensor and on tank, check that outside sensor is not
reached by the sun.
COMM ERROR (communication error)
Indicates hat the communication between the boiler and the heat pump do
work correctly.
- check that the heat pump have tension and in operation mode
- check the connection cable between the boiler and the heat pump (230V,
for qualified people)
- check that the heat pump and the boiler are connected to the same
neutral system in the building
- try to reset the error.
water shall be drained. Fill up with water
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